... , three fine sizesHex wrench shown not included.Coarse sizes: 1/8"-40 x 3/16", 5/32"-32 x 3/16 ... x 1/4", 1/4"-20 x 3/8", 5/16"-18 x 3/8", 5/16"-18 x 1/2", 3 ... /8"-16 x 3/8", and 3/8"-16 x 1/2 ... ". Fine sizes: 1/4"-28 x 1/4", 5/16"-24 x 3/8", 3/8 ... "-24 x 3/8" 150 Piece Set Screw Assortment